Finding the Fourth Proportional to 67,430.17, 101,165.33 and 29,985.09
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Solution
The fourth proportional to 67,430.17, 101,165.33 and 29,985.09 is: 44,986.56
Step by Step Solution
- Step 1: Write the proportion equation
67,430.17 : 101,165.33 = 29,985.09 : x - Step 2: Convert to fraction form
67,430.17/101,165.33 = 29,985.09/x - Step 3: Cross multiply
67,430.17x = 101,165.33 × 29,985.09 - Step 4: Simplify right side
67,430.17x = 3,033,451,524.93 - Step 5: Solve for x
x = 3,033,451,524.93/67,430.17 - Step 6: Final answer
x = 44,986.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.